2020 BMW i8
Fuel economy, running costs, emissions and safety · from U.S. EPA and NHTSA data
The 2020 BMW i8 is sold in the U.S. with plug-in hybrid power. The EPA lists 2 configurations for this model year, with combined economy from 27 to 27 MPG and an estimated annual fuel cost of $2,950 to $2,950 at 15,000 miles.
Key numbers
| Model year | 2020 |
|---|---|
| Vehicle class | Subcompact Cars |
| Fuel type(s) | Plug-in Hybrid |
| Combined economy | 27-27 MPG |
| Best / worst combined | 27 / 27 MPG |
| Annual fuel cost | $2,950-$2,950 |
| Tailpipe CO₂ | 191-191 g/mi |
| EPA smog rating | 3-6 / 10 |
What it costs to fuel
Across its configurations, the 2020 i8 costs about $2,950 to $2,950 a year to fuel at the EPA's 15,000-mile basis, averaging roughly $2,950. Over five years that is about $14,750 in fuel alone before maintenance, insurance and depreciation — which is why the running cost, not just the price, decides what a car really costs.
Relative to an average new vehicle, the most efficient i8 configuration saves about $750 in fuel over five years; less efficient versions spend more.
For context, the average combined economy of subcompact cars in this dataset is about 27 MPG. The i8 sits roughly 0 MPG below that mark at its midpoint, making it thirstier than average for its EPA class.
Configurations and fuel economy
| Version | Engine | Drive | Trans | Fuel | Combined | Annual fuel |
|---|---|---|---|---|---|---|
| I8 Coupe | 1.5L 3-cyl turbo | All-Wheel | Automatic | Plug-in Hybrid | 27 MPG | $2,950 |
| I8 Roadster | 1.5L 3-cyl turbo | All-Wheel | Automatic | Plug-in Hybrid | 27 MPG | $2,950 |
Emissions, safety and size
The 2020 i8 records tailpipe CO₂ of 191-191 g/mi, an EPA smog rating of 3-6 out of 10, and an EPA electric range of 320 to 320 miles when running on battery. The EPA classifies it as subcompact cars.
Compare this car
Open the comparison tool to line this 2020 i8 up against any other vehicle in the database, or jump to other years and trims from the 2020 BMW i8 overview.
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Data: U.S. EPA FuelEconomy.gov (public domain) and NHTSA SafetyRatings. Figures are EPA estimates; real-world results vary.